Vaadi Herbals Dandruff Defense Lemon Shampoo With Extract Of Tea Tree contains Lemon: Fights Dandruff. Strengthens roots and adds shine to hair. Tea Tree Extract: Cleanses and conditions Hair. Keeps scalp free of infections. Lemon’s astringency further tightens the hair follicles, strengthening the roots and preventing hair-fall. And the tea tree extract, in this formulation, moisturizes dry hair, making it shinier and softer